Fill Your RV Water Tank Without the Mess

Say goodbye to frustrating spills and splashback when topping up your RV's water supply. This wide-mouth, anti-spill RV water tank filling funnel is purpose-built for trailers, motorhomes, camper vans, and any standard holding tank. With a generous 10-inch opening and a secure, snug fit over tank inlets, it makes water filling fast, clean, and effortless — every time.

Made in Mainland China.

Why You'll Love This RV Funnel

Anti-Spill Wide Mouth Design – The oversized 10-inch opening catches water flow effectively, reducing overflow and splash onto your RV exterior.
Sturdy Plastic Construction – Built from high-quality, durable plastic that resists cracking and stands up to regular outdoor use in all weather conditions.
Universal RV Fit – Designed to fit standard RV and camper tank openings, giving you a secure, mess-free connection whether you're at a campsite or filling at home.
Lightweight & Easy to Store – Compact enough to toss in a storage bin or compartment without taking up valuable space in your rig.
Complete Ready-to-Use Kit – Comes with 1 funnel — everything you need to start filling your water storage system cleanly and efficiently right away.
Versatile Use – Perfect for freshwater tanks on RVs, travel trailers, motorhomes, campervans, and boats.

Product Specifications

Material	Durable Plastic
Opening Size	10 Inches (Wide Mouth)
Compatibility	Standard RV, Camper, Trailer, Motorhome Water Tank Inlets
Package Includes	1 x Water Tank Filling Funnel
Country of Origin	Mainland China

Perfect For

RV & motorhome freshwater tank filling
Travel trailer and camper van water systems
Boat and marine water tank top-ups
Any holding tank or storage container requiring spill-free filling

Pair It With Your RV Setup

Looking for more outdoor and camping essentials? Check out our 1-Inch Impact Rocker Sprinkler – Adjustable Rotating Irrigation and our 1.4W Solar Bird Bath Fountain Pump – 6 Nozzles & Crash Bars to complete your outdoor water management setup.

Helpful Resources

For safe RV travel and camping tips, visit the National Park Service Camping Guide for information on campground facilities, water access, and best practices for RV travelers.

Frequently Asked Questions

Q: What size RV water tank openings does this funnel fit?

A: This wide-mouth RV water tank filling funnel is designed to fit standard RV, camper, trailer, and motorhome water tank inlets. Its 10-inch opening accommodates most common tank fill ports, providing a snug and secure connection to minimize spills.

Q: Is this funnel compatible with both fresh water and grey water tanks?

A: This funnel is primarily designed for freshwater tank filling. We recommend using it exclusively with your freshwater tank to avoid cross-contamination with grey or black water systems.

Q: Is this RV funnel durable enough for outdoor use?

A: Yes! The funnel is constructed from sturdy, high-quality plastic that is built to handle regular outdoor use. It is lightweight yet resilient, making it a reliable RV accessory for all your camping adventures.

Q: What is included in the package?

A: Your purchase includes 1 wide-mouth anti-spill RV water tank filling funnel — ready to use straight out of the box for filling your RV, motorhome, travel trailer, or camper van water storage system.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.